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【多选题】
荷电纳米膜的分离机理是:A.
筛分
B.
毛细管流动模型
C.
溶解 - 扩散模型
D.
Donnan 电位
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举一反三
【单选题】are language varieties which are appropriate for use in particular speech situations, in contrast to language varieties that are associated with the social or regional grouping of their customary user...
A.
Registers
B.
Situational dialects
C.
Slangs
D.
Jargons
【简答题】 (1) Dialects refer to __________ differences and these differences can be national, regional or local . (2). One’s social background does influence one’s choice of linguistic forms and one’s languag...
【单选题】The point of the last short paragraph is that Richard was ______.
A.
cheated by his own successors
B.
determined m take revenge on his enemies
C.
more generous to his enemies than his successors
D.
unable to influence the behavior. of his successors
【简答题】检修一台水轮发电机组时,应放在安装间的四大件分别为: __________ , __________ , ___________ , ___________ 。
【简答题】在新的建筑物中,通常利用 敷设垂直干线。
【简答题】检修一台水轮发电机组时，应放在安装间的四大件按照拆吊顺序分别为： __________，__________，___________，___________。
【简答题】vt. 使失去信心;摧毁
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